vJUG Book Club Leaders
Roberto Cortez is a professional Java Developer working in the software development industry. Roberto mostly works with Java EE technologies and he is involved with the community to help other individuals, to spread the knowlegde or just to hang out. Roberto speaks at major conferences such as JavaOne, Devoxx FR, JFokus, GeeCon and others. He is also the leader of the Coimbra JUG and a regular blogger about Java related technologies. When not working he spend most of his time hanging with frinds, playing computer games and spending time with his family.
Ivan St. Ivanov
Ivan St. Ivanov is development architect at SAP Labs Bulgaria, working in the HANA Cloud Platform performance team. He is a leader in the Bulgarian JUG, driving the adoption of OpenJDK and various JSRs in Bulgaria, as well as the jPrime conference. In his free time he likes contributing to open source software, mostly to JBoss Forge. Ivan is doing his PhD in the area of cloud multi-tenancy in the University of National and World Economy in Sofia. He is teaching Java and Java EE in the Sofia University.